Why was the establishment of judicial review important to the concept of checks and balances?

What role did mazzini play in italian unification? a.) he dreamed of a united italy and took the first steps to achieving it. b.) he conquered the southern part of italy, including sicily. c.) he was the first leader of a united italy. d.) he was assassinated by the french government, making him a martyr.

Why did reagan have the united stars invade grenada

What are some incentives that parties have to carry out their campaign promises?